213331201202020 has 48 divisors (see below), whose sum is σ = 492238376683200. Its totient is φ = 77016888846720.

The previous prime is 213331201201957. The next prime is 213331201202033. The reversal of 213331201202020 is 20202102133312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 213331201201982 and 213331201202000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3488053155 + ... + 3488114314.

It is an arithmetic number, because the mean of its divisors is an integer number (10254966180900).

Almost surely, 2^{213331201202020} is an apocalyptic number.

213331201202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213331201202020 is an abundant number, since it is smaller than the sum of its proper divisors (278907175481180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213331201202020 is a wasteful number, since it uses less digits than its factorization.

213331201202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6976167628 (or 6976167626 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213331201202020 its reverse (20202102133312), we get a palindrome (233533303335332).

The spelling of 213331201202020 in words is "two hundred thirteen trillion, three hundred thirty-one billion, two hundred one million, two hundred two thousand, twenty".